Home / 74,105.26-102,265.26-40,571.26

Finding the Fourth Proportional to 74,105.26, 102,265.26 and 40,571.26

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Solution

The fourth proportional to 74,105.26, 102,265.26 and 40,571.26 is: 55,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,105.26 : 102,265.26 = 40,571.26 : x
  2. Step 2: Convert to fraction form
    74,105.26/102,265.26 = 40,571.26/x
  3. Step 3: Cross multiply
    74,105.26x = 102,265.26 × 40,571.26
  4. Step 4: Simplify right side
    74,105.26x = 4,149,030,452.43
  5. Step 5: Solve for x
    x = 4,149,030,452.43/74,105.26
  6. Step 6: Final answer
    x = 55,988.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.